* {
    margin: 0px;
    padding: 0px;
}
h2 {
    color: #565656;
    font-size: 12px;
    margin: 0px;
}
span {
    font-size: 12px;
    word-spacing: 3px;
}
b {
    font-size: 13px;
}
a {
    text-decoration: none;
    color: black;
}
a:link {color:#000000;}      /* 未访问链接*/
a:visited {color:white;}  /* 已访问链接 */
a:hover {color:#FF00FF;}  /* 鼠标移动到链接上 */
a:active {color:#0000FF;}  /* 鼠标点击时 */
/*导航开始*/
.header {
    width: 100%;
    height: 31px;
    background: #4E4E4E;
}
.nav {
    height: 31px;
    width: 970px;
    margin: 0px auto;
    color: white;
}
.nav ul li{
    display: inline;
    list-style-type: none;
    font-size: 12px;
    line-height: 31px;
}
.nav_left {
    float: left;
}
.nav_right {
    float: right;
}
.nav a {
    color: white;
    text-decoration: none;
    word-spacing: 9px;
    vertical-align: baseline;
}
/*导航结束*/
/*内容开始*/
.main {
    background: #e2e2e2;
    width: 100%;
    height: 1900px;
}
.content_mid {
    width: 970px;
    height: 1900px;
    margin: 0px auto;
    background: white;
}
.content {
    width: 970px;
    margin: 0px auto;
}
.content_mid a {
    color: black;
    text-decoration: none;
    font-size: 12px;
}
/*左边内容开始*/
.content_left {
    width: 650px;
    margin-top: 2px;
    margin-left: 13px;
    margin-right: 5px;
    float: left;
}
.content_right {
    width: 280px;
    margin-top: 2px;
    margin-left: 5px;
    margin-right: 13px;
    float: right;
}
.left_1 {
     width: 630px;
     height: 530px;
     border: 1px solid #787878;
     padding: 10px;
     margin-bottom: 15px;
 }

.left_1 td {
    border-bottom: 0.5px dotted #787878;
}
.left_form {
    width: 630px;
    height: 36px;
    margin: 10px 0px;
}
.left_2 {
    width: 630px;
    height: 123px;
    border: 1px solid #787878;
    padding: 10px;
    margin-bottom: 15px;
}
.left_3_div {
    width: 143px;
    height: 125px;
    float: right;
    border: 1px dotted black;
    margin-top: 8px;
    margin-left: 4px;
    text-align: center;
}
.left_3 {
    width: 630px;
    height: 285px;
    border: 1px solid #787878;
    padding: 10px;
    margin-bottom: 15px;
}
.left_4 {
    width: 630px;
    height: 165px;
    border: 1px solid #787878;
    padding: 10px;
}
/*左边内容结束*/

/*右边内容开始*/
.right_1 {
    width: 280px;
    height: 175px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}
.right_1_title{
    line-height: 28px;
    width: 280px;
    height: 28px;
    border-bottom: 0.5px solid #787878;
    background: #E9E8EC;
}
.right_1_content{
    line-height: 14px;
    margin-top: 2px;
    width: 280px;
    border-top: 0.5px solid #787878;
}
.right_2 {
    width: 280px;
    height: 66px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}
.right_2_title{
    line-height: 28px;
    width: 280px;
    height: 28px;
    border-bottom: 0.5px solid #787878;
    background: #E9E8EC;
}
.right_2_content{
    text-align: center;
    line-height: 30px;
    width: 280px;
    border-top: 0.5px solid #787878;
}

.right_3 {
    width: 280px;
    height: 62px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}
.right_4 {
    width: 280px;
    height: 66px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}
.right_5 {
    width: 280px;
    height: 200px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}

.right_6 {
    width: 280px;
    height: 425px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}
.project {
    margin-left: 40px;
    margin-top: 10px;
    padding: 20px;
    width:160px;
    border: 1px solid #787878;
    border-radius: 10px;
}
.right_7 {
    width: 280px;
    height: 500px;
    border: 1px solid #787878;
    margin-bottom: 15px;
}
.right_8 {
    width: 280px;
    height: 110px;
    border: 1px solid #787878;

    margin-bottom: 15px;
}
/*内容结束*/

/*页脚开始*/
.footer {
    width: 100%;
    height: 60px;
    background: #414141;
    padding: 10px;
}

a:hover {color:#FF00FF;}  /* 鼠标移动到链接上 */
a:active {color:#0000FF;}  /* 鼠标点击时 */